Credit for Time Served (CTS) is an easy to use date range calculator. This application allows any person the ability calculate the number of days credit an inmate has already severed custody even if they have been in and out of custody for years. Furthermore, CTS allows you to enter in the number of days in a sentence and it will atomically calculate an estimated release date. CTS provides quick, accurate, and easy calculations that can be verified with ease. This application is perfect for Private Criminal Defence Lawyers, Public Defenders, Judges, District Attorney's, Judicial Support Staff and all Correctional Institutions. This application was designed by an active attorney, who saw the need for a reliable calculation method to ensure justice for his clients.